xRVERA
Biomechanics 1
Action/Location Grades
Pitch Design
Random
2

We want to throw _______ ________ __ __ _______

Nasty Stuff in the ZONE

2

True or False: In general a high Peak COM Velocity contributes positively to FB Velocity

TRUE

2

True or False: A SL with 2"VB/-2"HB from a RHP has a high location grade at the very top of the zone. 

FALSE

2

True or False: A FB with 22"VB from an over the top pitcher deviates from the average movement

TRUE

2

Bonus

Steal 3 points from the team with most points

4

What over the plate results define xRVERA?

K%, BB%, Barrel%

4

True or False: A block issue could be landing with torso too open. 

True

4

True or False: Location grades are made up of velocity and movement

FALSE

4

What is magnus effect? 

Spin induced movement 

4

What is a multiplier of a pitcher's value?

Velocity
6

What 2 factors influence xResults? 

Action Grades 

Location Grades

6

What is the function of the stride? 

generating momentum and setting up rotation.


6

What 2 main factors influence stuff? 

Velocity and Movement

6

What are the 3 types of spin induced movement? 

Backfield, Top Spin, Side Spin

6

What nutrient is the most important one BEFORE a game?

Carbohydrates

8
What over the rubber factors define xRVERA? 

Velocity, Pitch Quality, Usage, and Command

8

Provide an example of momentum

Car crashes and body inside keeps moving. 

8

What does increasing 2mph do to a pitcher's arsenal?

Increase xResults and Whiff%

8

What are 3 types of induced movement? 

Spin Induced movement, Seam induced movement, Gyro

8

What nutrient is the most important one AFTER a game?

Proteina

10

Why do we use xRVERA instead of ERA?

xRVERA is a better predictor of success and it eliminate walks. 

ERA looks backwards xRVERA looks forward

10

What does lead leg block do primarily? 

Drive Torso Rotation, Drive Torso Anterior Tilt, Decelerate COM

10

What is the definition of location grades?

It tells us how valuable the pitches location is relative to all possible locations it could have crossed the strike zone.

10

Why is 15vb and 10hb considered “dead zone”?

That's where the most damage is done by hitters.

10

Why do we want at least 6 meals as elite athletes? 

to optimize recovery, maintain endurance, maintain muscle mass